Question

Factorise: a2b – ac2 –ab +c2

Answer 1

Step-by-step explanation:

a²b-ac²-ab+c²

abc(a-c+c)

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Answer 2

Answer:

$(ab - {c}^{2} )(a - 1)$

Step-by-step explanation:

${a}^{2} b - a{c}^{2} - ab + {c}^{2} \\ {a}^{2} b - ab + {c}^{2} - a{c}^{2} \\ ab(a - 1) - {c}^{2} (a - 1) \\ (ab - {c}^{2} )(a - 1)$